Home / 30,215.64-45,324.36-14,422.34

Finding the Fourth Proportional to 30,215.64, 45,324.36 and 14,422.34

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Solution

The fourth proportional to 30,215.64, 45,324.36 and 14,422.34 is: 21,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.64 : 45,324.36 = 14,422.34 : x
  2. Step 2: Convert to fraction form
    30,215.64/45,324.36 = 14,422.34/x
  3. Step 3: Cross multiply
    30,215.64x = 45,324.36 × 14,422.34
  4. Step 4: Simplify right side
    30,215.64x = 653,683,443.51
  5. Step 5: Solve for x
    x = 653,683,443.51/30,215.64
  6. Step 6: Final answer
    x = 21,633.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.